A fence on the property line. A brick wall shared by two row houses. A rear yard divider that both families lean on. They look like the perfect place to put a camera, and they are often the worst. Who owns the fence? Who has the right to drill into a party wall? What happens if the neighbor objects? This guide explains how to think through those questions, where to look for answers, why written consent matters and what safer alternatives exist when ownership is unclear.
This is general information, not legal advice. Boundary, fence and party wall rules depend on your deed, survey, local law and facts. Ask a real estate attorney before you drill into anything that might not be yours.
1. The Short Version
| Question | Practical answer |
|---|---|
| Can I drill into a shared fence or wall? | Don't unless you are sure it is yours or you have written consent. |
| How do I find out who owns it? | Deed, survey, title records and sometimes your attorney. |
| Is verbal OK from the neighbor? | Written is far better. |
| What are the alternatives? | Mount on your own wall, a post on your land or a pole inside your line. |
| Can the camera see their yard? | Mask or aim away to avoid private spaces. |
| What if we disagree? | Stop, document and ask an attorney. |
2. Fences vs. Party Walls
Fences. A fence on the boundary may be owned by one owner, by both or by neither in a clear sense, depending on who built it and what the records say. In some places, local rules address boundary fences and neighbors' responsibilities. Because rules vary, do not assume you can attach hardware without asking.
Party walls. In many row houses, brownstones and attached homes in Brooklyn, Queens, the Bronx and Jersey City, two buildings share a wall. Drilling into a masonry party wall can affect both owners. It can also raise structural and fire-rating concerns, depending on the wall. This is a conversation for the neighbor, possibly an engineer and an attorney, not a weekend project.
3. Where to Look for Answers
- Your deed and survey. The survey shows where the property line runs and whether the fence is on it.
- Title documents and easements. They may mention shared walls, access or maintenance duties.
- Local building and property rules. Your borough, town or municipality may have rules on fences and walls. Ask the building department or a local attorney.
- Co-op, condo or HOA documents. If you're in one, there may be rules about the exterior and common areas.
- A local real estate attorney. One hour of advice is cheaper than a dispute.
4. Get Consent in Writing
If you decide to use a shared structure, get the neighbor's written consent first. A short email can do: "We'd like to mount a camera on the shared fence post at the rear corner to cover our yard. It will be angled toward our property, with masks over your windows, and audio off. Please reply to confirm you're OK with this." Save the reply. For any penetration of a party wall, ask an attorney to prepare an agreement. Verbal permission is easily forgotten or denied later.
5. Safer Alternatives
You rarely need to attach to a shared structure. Options include:
- Your own wall. A camera at the corner of your rear wall, angled along the fence line, covers most of what you need.
- A pole on your side. A short post set inside your property line holds a camera without touching the fence.
- Gutter or soffit mounts. For many homes, these provide height without drilling the facade.
- A wide camera on your upper floor. A rear window or deck camera can cover the whole yard.
- Fewer cameras with better angles. Two well-placed cameras beat four on a fence.
An installer who walks your property can usually find a spot that works without anyone's permission but your own.
6. Privacy and Aim
Wherever you mount the camera, it should look at your property. Don't aim it into a neighbor's windows, bedrooms or yard. New York's unlawful surveillance law, Penal Law section 250.45, addresses secret recording in private settings, and for New Jersey see N.J.S.A. 2C:14-9. Use privacy masking in the camera's settings to black out areas you shouldn't record. Leave audio off. Eavesdropping rules, such as Penal Law section 250.05 in New York and New Jersey's wiretap statute, can apply to recorded conversations.
7. Structural and Safety Notes
Drilling into old brick, stucco or party walls can crack masonry, let in water or hit hidden wires. Wooden fence posts rot. Metal posts may be in or near utility lines. Call before you dig for any post: New York and New Jersey each have a utility mark-out service, and your installer should know how to use it. Never drill into a wall until you know what is behind it. Our guide on mounting cameras on brick, vinyl, stucco and wood covers the techniques.
8. Landmarks and Buildings Rules
If your home is landmarked or in a historic district, exterior work may need approval. Start at the Landmarks Preservation Commission. If you live in a co-op, condo or HOA, the exterior and shared walls may be controlled by the board. Our guide on cameras on landmarked buildings explains the process.
9. When the Neighbor Says No
Accept it. Choose another spot. Cameras on your own wall rarely need anyone's permission. If you already installed something and the neighbor complains, don't escalate. Offer to change the angle, add masks or move the camera. Document the fix with screenshots. If they threaten legal action or you need a formal resolution, ask an attorney. Community mediation programs in many areas can also help and are often free or low cost.
10. News Context
Backyards and rear fences are where intruders often come and go. In February 2026, NYPD released stills and video from a Staten Island doorstep to help identify three young men who tried to enter three homes overnight, according to CBS News New York. In March 2026, News 12 reported on video of home break-ins blocks apart in Brooklyn. Good rear coverage matters. The way you achieve it should not start a feud.
NYPD reported burglary down 19.5% citywide in May 2026 compared with May 2025 (NYPD).
11. Costs
Planning ranges in 2026 for professionally installed systems: one rear-yard camera on your own wall, $450 to $1,200; a short pole mount on your property, add $200 to $700; four-camera home system, $1,600 to $3,600; eight-camera system, $3,000 to $6,800. A survey, if needed, is separate and varies. An attorney consultation is separate. These are planning ranges, not quotes.
12. Questions to Ask Your Installer
- Can you cover my rear yard from my own wall?
- If a pole is needed, can you set it inside my line?
- Will you check for utilities before any digging?
- Can you set privacy masks and show me the result?
- How do you mount on old brick or stucco without damage?
- Will you leave audio off?
See our local pages for security camera installation in Brooklyn, security camera installation in Queens, security camera installation in Jersey City and our services page.
Not sure where your line is? Revolvis will walk the property with you and mark the spots.
13. A Quick Decision Guide
Ask yourself in order: Is the structure clearly mine? If yes, mount it, aimed at my own property. If it might be shared, can I use my own wall or a pole instead? If not, do I have the neighbor's written consent and, for a party wall, advice from an attorney? If the answer to all of these is no, wait. The cost of a different mount is small compared with the cost of removing a camera, repairing a wall or defending a dispute.
14. For Co-ops, Condos and HOAs
If you live in a managed community, the answer to who decides may be the board or the managing agent, not your neighbor. Read the proprietary lease, bylaws or declaration and any house rules about the building exterior, windows, balconies and shared walls. Many require written approval and sometimes a licensed contractor's insurance certificate before anything is attached. Ask for the policy in writing, submit a simple plan showing where the camera goes and what it will see, and keep the approval. Boards are usually more comfortable with a clear plan that respects privacy than with a vague request.
More From Revolvis
Cameras are one layer of a secure property. The same in-house crew also handles the rest:
- Keyless entry installation and smart lock installation
- Access control systems and commercial access control
- Video doorbells and intercoms
- Alarm system installation
- Complete unified security
Learn more about Revolvis, meet the team, see all services, browse the blog or contact us.
Areas We Serve
Revolvis installs residential and commercial camera systems across the New York metro area. Every borough and county has its own building stock, rules and wiring challenges, so the plan for a Queens two-family is not the plan for a Manhattan co-op.
- Staten Island: houses, detached garages and shop fronts. See security camera installation in Staten Island.
- Brooklyn: brownstones, row houses and storefronts. See security camera installation in Brooklyn.
- Queens: attached brick homes, two-families and busy commercial strips. See security camera installation in Queens.
- The Bronx: pre-war buildings, bodegas and warehouses. See security camera installation in the Bronx.
- Manhattan: co-ops, condos, offices and retail. See security camera installation in Manhattan.
- Long Island: Nassau County and Suffolk County.
- New Jersey: Jersey City, Newark, Hoboken and nearby towns.
The full list is on the service areas page.
Get a Custom Quote After a Site Visit
Revolvis prices every job after a site visit, because the building sets the cost as much as the equipment does. A few things make the estimate faster and more accurate:
- The address and property type: house, apartment, co-op, condo, storefront or warehouse.
- Which doors, sides and areas you want covered, and what worries you most.
- Photos of those spots and any spots where you already have cabling or power.
- How many days of footage you want to keep and whether you want to watch on your phone.
- Any landlord, board, lender or insurer requirement.
Call 347-258-9165 or use the contact page to book a site visit. The quote you receive is written and itemized, so you can compare it line by line.
Frequently Asked Questions
Can I mount a camera on a shared fence? Only if you are sure you can, or you have written consent. Otherwise mount on your own wall or a pole on your property.
Can I drill into a party wall? Don't without talking to the neighbor and, ideally, an attorney. It can affect both owners.
Is verbal permission enough? Written consent is far safer and easy to get by email.
Can my camera see my neighbor's yard? Avoid it. Use masks and aim the view at your own property.
What if my neighbor objects? Listen, adjust, document and consider mediation. Ask an attorney if it escalates.
Do I need a survey? If the line is unclear, a survey settles it. Check your existing one first.
Ready for a custom quote? Call Revolvis at 347-258-9165 for a site visit and a written, itemized estimate.
Safety note: A camera system supports, but does not replace, good locks, lighting, alarms and everyday habits. If you are in danger or witnessing a crime, call 911. Prices and legal summaries in this guide are general information for the New York metro area, not an offer or legal advice. A written quote after a site visit governs your actual price, and for legal questions you should confirm with the agencies linked in the article or a licensed attorney.